Surname ละอองรัตน์ (Laorrat 
, ละอองรัตน์ , Laongrat ) , in the entire world, is a rare cognomen. The last name ละอองรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, ละอองรัตน์ is the forename as well as the last name.